package cn.tedu.egweibo1.controller;

import cn.tedu.egweibo1.mapper.UserMapper;
import cn.tedu.egweibo1.pojo.dto.UserLoginDTO;
import cn.tedu.egweibo1.pojo.dto.UserRegDTO;
import cn.tedu.egweibo1.pojo.entity.User;
import cn.tedu.egweibo1.pojo.vo.UserVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpSession;
import java.util.Date;

@RestController
@RequestMapping("/v1/users/")
public class UserController {
    //自动装配
    @Autowired
    private UserMapper userMapper;
//    注册功能
   @PostMapping("reg")
    public int reg(@RequestBody UserRegDTO userRegDTO){
        System.out.println("userRegDTO = " + userRegDTO);
        UserVO userVO = userMapper.userRegVO(userRegDTO.getUsername());
        if (userVO !=null){
            return 2;//用户名被占用
        }else {
            User user =new User();
            BeanUtils.copyProperties(userRegDTO,user);
            user.setCreated(new Date());
            userMapper.insertUser(user);

            return 1;
        }
    }

//    登录功能
    @PostMapping("login")
    public int login(@RequestBody UserLoginDTO userLoginDTO, HttpSession session) {
        UserVO userVO = userMapper.userRegVO(userLoginDTO.getUsername());
        if (userVO == null) {
            return 3;
        } else if (userVO.getPassword().equals(userLoginDTO.getPassword())) {
            session.setAttribute("user",userVO);
            return 1;
        } else {
            return 2;
        }
    }
//    获取登陆状态
    @GetMapping("currentUser")
    public UserVO currentUser(HttpSession session){
        UserVO userVO = (UserVO)session.getAttribute("user");
        return userVO;
    }

//    退出登录功能
    @GetMapping("logout")
    public void logout(HttpSession session){
       session.removeAttribute("user");
    }
}
